Ilhee Kim
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 Dec 8 awarded Critic Jan 29 comment Edge-coloring of the complete graph without any rainbow paths Thanks a lot! The paper looks very helpful for better understanding of the problem. Jan 29 comment Edge-coloring of the complete graph without any rainbow paths @Gerhard : For $K_4$, I label the vertices by the elements of $Z_2 \times Z_2$, not $Z_4$. If you use $Z_4$, the edge coloring is not well defined. Jan 29 comment Edge-coloring of the complete graph without any rainbow paths I think your edge coloring may not be well-defined. For instance, the difference between two vertices (0,1) and (0,2) is either (0,1) or (0,5) in $Z_2 \times Z_6$? For $Z_{2^k}$, we don't have such a problem since $x-y = y-x = x+y$. Jan 28 awarded Student Jan 28 revised Edge-coloring of the complete graph without any rainbow paths edited body; added 5 characters in body; deleted 2 characters in body Jan 28 asked Edge-coloring of the complete graph without any rainbow paths Jan 26 answered Majority vote of total orders Jan 19 comment Does this poset have a unique minimal element? @ARupinski : I understand. Thanks for the great question. It was really fun to work on it. We are actually thinking about publishing it if our solution is indeed new. Jan 18 comment Does this poset have a unique minimal element? @ARupinski : Thanks. Please let me know if there is something unclear. By the way, could you tell us some references or motivations of this problem? Jan 17 awarded Supporter Jan 16 awarded Teacher Jan 16 revised Does this poset have a unique minimal element? added 135 characters in body Jan 16 revised Does this poset have a unique minimal element? edited body Jan 16 revised Does this poset have a unique minimal element? added 9 characters in body; edited body Jan 16 revised Does this poset have a unique minimal element? deleted 1 characters in body Jan 16 comment Does this poset have a unique minimal element? @Todd : Thanks for the tip! Jan 16 awarded Editor Jan 16 revised Does this poset have a unique minimal element? added 13218 characters in body; deleted 6 characters in body Jan 14 answered Does this poset have a unique minimal element?